Improving multisystem propagation
Improving the framework to perform multisystem propagation. Add the support of the Beeman propagator, for both predictor and predictor-corrector versions. Add the support of predictor-corrector propagators Add the synchronization logic Minor changes to the clock_t and linked_list_t objects, to allow this to work Implementation of the different clocks needed for pull and push requests needed to build the interactions
Improving the framework to perform multisystem propagation.
- I have checked that my code follows the Octopus coding standards
- I have added tests for all the new features added in this request.